A quarter has 119 grooves on its edge, a dime has one less groove!
34
Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
21
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
The oldest living person smoked cigarettes from the age of 21 to 117.
13
There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
14
In Tokyo, a bicycle is faster than a car for most trips of less than 50 minutes!
58
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17